IT7849112A0 - BACKBACK VALVE - Google Patents

BACKBACK VALVE

Info

Publication number
IT7849112A0
IT7849112A0 IT7849112A IT4911278A IT7849112A0 IT 7849112 A0 IT7849112 A0 IT 7849112A0 IT 7849112 A IT7849112 A IT 7849112A IT 4911278 A IT4911278 A IT 4911278A IT 7849112 A0 IT7849112 A0 IT 7849112A0
Authority
IT
Italy
Prior art keywords
backback
valve
backback valve
Prior art date
Application number
IT7849112A
Other languages
Italian (it)
Other versions
IT1102064B (en
Original Assignee
Gerdts Gustav F Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gerdts Gustav F Kg filed Critical Gerdts Gustav F Kg
Publication of IT7849112A0 publication Critical patent/IT7849112A0/en
Application granted granted Critical
Publication of IT1102064B publication Critical patent/IT1102064B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
    • F16K15/036—Dual valve members with hinges crossing the flow line substantially diametrical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Lift Valve (AREA)
  • Binders And Loading Units For Sheaves (AREA)
IT49112/78A 1977-04-28 1978-04-27 REPLACEMENT VALVE IT1102064B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2718821A DE2718821C2 (en) 1977-04-28 1977-04-28 Check valve

Publications (2)

Publication Number Publication Date
IT7849112A0 true IT7849112A0 (en) 1978-04-27
IT1102064B IT1102064B (en) 1985-10-07

Family

ID=6007444

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49112/78A IT1102064B (en) 1977-04-28 1978-04-27 REPLACEMENT VALVE

Country Status (9)

Country Link
AU (1) AU513481B2 (en)
BR (1) BR7802423A (en)
CA (1) CA1078704A (en)
DE (1) DE2718821C2 (en)
ES (1) ES467876A1 (en)
FR (1) FR2389057A1 (en)
GB (1) GB1563487A (en)
IT (1) IT1102064B (en)
SE (1) SE7804849L (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7929136U1 (en) * 1979-10-13 1980-07-03 Gustav F. Gerdts Kg, 2800 Bremen RETURN VALVE
DE3113938A1 (en) * 1981-04-07 1982-10-28 Gustav F. Gerdts GmbH & Co KG, 2800 Bremen RETURN VALVE
FR2555971B1 (en) * 1983-12-02 1986-10-03 Sereg Soc CONTAINER SHUTTER FOR CONTAINING POWDER
ITTV940009U1 (en) * 1994-03-04 1995-09-04 Jacuzzi Europ VALVE DEVICE FOR JETS FOR WHIRLPOOL BATHS
CA2295269C (en) * 1999-01-13 2008-04-08 Baker Hughes Incorporated Torsion spring connections for downhole flapper
US6957703B2 (en) 2001-11-30 2005-10-25 Baker Hughes Incorporated Closure mechanism with integrated actuator for subsurface valves
US6877564B2 (en) 2002-09-30 2005-04-12 Baker Hughes Incorporated Flapper closure mechanism
DE502007006777D1 (en) 2007-06-12 2011-05-05 Arno Hofmann Gas-conducting butterfly valve
EP3037673B1 (en) * 2014-12-22 2019-09-11 Whirlpool EMEA S.p.A Suction device for a hood
EP4092205A1 (en) * 2018-10-02 2022-11-23 vonRoll infratec (investment) ag Back flow preventer
EP3667138B1 (en) * 2018-12-10 2022-11-23 Hamilton Sundstrand Corporation Check valve
CN110775466A (en) * 2019-11-06 2020-02-11 湖南新威凌金属新材料科技股份有限公司 Flap valve device for discharging powder materials
DE102020204436A1 (en) 2020-04-06 2021-10-07 Elringklinger Ag Valve device and electrochemical system
EP4425020A1 (en) 2023-02-28 2024-09-04 Hinni AG Backflow preventer for installation in a flow discharge of a system for flowable media

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB870868A (en) * 1958-10-13 1961-06-21 Rotax Ltd Non-return valves

Also Published As

Publication number Publication date
AU513481B2 (en) 1980-12-04
IT1102064B (en) 1985-10-07
GB1563487A (en) 1980-03-26
SE7804849L (en) 1978-10-29
CA1078704A (en) 1980-06-03
DE2718821C2 (en) 1979-02-22
FR2389057A1 (en) 1978-11-24
AU3485178A (en) 1979-10-11
DE2718821B1 (en) 1978-06-22
BR7802423A (en) 1978-11-14
ES467876A1 (en) 1978-11-01

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